Monkey HTTP Daemon: broken user name authentication
Conclusion & alert: CVE-2013-2159 is rated High Risk (71.2/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 2.83%). Core evidence: EPSS rose +2.38% over the last day, indicating growing attacker interest. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.46% | 2.83% | +2.38% |
| 2 | 2025-04-17 | 2.51% | 0.46% | -2.06% |
| 3 | 2025-03-30 | — | 2.51% | — |
Full EPSS history (13 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.8 | 3.1 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
ubuntu
|
medium | CVE-2013-2159 medium priority: Ubuntu including 1 source packages (monkey), 13 status rows across 13 suites (lucid, precise, quantal, raring, saucy, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): DNE 10, ignored 2, needed 1. | https://ubuntu.com/security/CVE-2013-2159 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| monkey-project | monkey | 1.2.1 | cpe:2.3:a:monkey-project:monkey:1.2.1:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://www.openwall.com/lists/oss-security/2013/06/07/4 | Mailing List Third Party Advisory |
| http://www.securityfocus.com/bid/60415 | Third Party Advisory VDB Entry |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/85138 | Third Party Advisory VDB Entry |
| https://security-tracker.debian.org/tracker/CVE-2013-2159 | Third Party Advisory |